/* ** ** Swift/XRT light curve for Mrk 421. ** ** Data taken from the automatic processing at http://www.swift.psu.edu/monitoring/ ** ** When using these data and results in publications, please reference M.C. Stroh & A.D. Falcone 2013, ApJS, 207, 28; arXiv: 1305.4949. ** ** Key: ** ** BinCenter - Center of time bin (MJD) ** BinHW - One-half of the full time bin size (days) ** Rate - The background subtracted, PSF corrected and pile-up corrected source count rate (cts/s). ** RateError - 1 sigma error in source count rate (cts/s) ** FracExp - Conversion factor between bin size and observing time ** Mode - 0 if in Windowed Timing (WT) ** 1 if in Photon Counting (PC) ** ** ** Upper limits have an error listed as -1.00000. ** */ BinCenter BinHW Rate RateError FracExp Mode 57426.451372 0.000295 21.13972 0.67547 1.00000 0 57426.451980 0.000312 20.05458 0.63942 1.00000 0 57426.452602 0.000310 20.14668 0.65236 1.00000 0 57426.453227 0.000315 19.84007 0.63834 1.00000 0 57426.453837 0.000295 21.36201 0.68619 1.00000 0 57426.454425 0.000292 21.08272 0.67785 1.00000 0 57426.455015 0.000298 21.09031 0.67590 1.00000 0 57426.455631 0.000318 19.73262 0.62989 1.00000 0 57426.456265 0.000315 19.74362 0.63592 1.00000 0 57426.456896 0.000315 19.77412 0.63523 1.00000 0 57426.457518 0.000307 20.56615 0.65819 1.00000 0 57426.458128 0.000304 20.41973 0.66191 1.00000 0 57426.458742 0.000310 20.14282 0.64459 1.00000 0 57426.459361 0.000310 19.84250 0.64320 1.00000 0 57426.459974 0.000304 20.45404 0.65782 1.00000 0 57426.460599 0.000321 19.69816 0.62879 1.00000 0 57426.461210 0.000289 21.27342 0.68586 1.00000 0 57426.461806 0.000307 20.56363 0.65811 1.00000 0 57426.462660 0.000547 20.03168 0.48286 1.00000 0